MIPS: ralink: adds rt305x devicetree

This adds the devicetree file that describes the rt305x evaluation kit.
Signed-off-by: NJohn Crispin <blogic@openwrt.org>
Signed-off-by: NGabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4898/

arch/mips/ralink/dts/rt3050.dtsi

+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "ralink,rt3050-soc", "ralink,rt3052-soc";
+
+	cpus {
+		cpu@0 {
+			compatible = "mips,mips24KEc";
+		};
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,57600 init=/init";
+	};
+
+	palmbus@10000000 {
+		compatible = "palmbus";
+		reg = <0x10000000 0x200000>;
+                ranges = <0x0 0x10000000 0x1FFFFF>;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		sysc@0 {
+			compatible = "ralink,rt3052-sysc", "ralink,rt3050-sysc";
+			reg = <0x0 0x100>;
+		};
+
+		timer@100 {
+			compatible = "ralink,rt3052-wdt", "ralink,rt2880-wdt";
+			reg = <0x100 0x100>;
+		};
+
+		intc: intc@200 {
+			compatible = "ralink,rt3052-intc", "ralink,rt2880-intc";
+			reg = <0x200 0x100>;
+
+			interrupt-controller;
+			#interrupt-cells = <1>;
+		};
+
+		memc@300 {
+			compatible = "ralink,rt3052-memc", "ralink,rt3050-memc";
+			reg = <0x300 0x100>;
+		};
+
+		gpio0: gpio@600 {
+			compatible = "ralink,rt3052-gpio", "ralink,rt2880-gpio";
+			reg = <0x600 0x34>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+
+			ralink,ngpio = <24>;
+			ralink,regs = [ 00 04 08 0c
+					20 24 28 2c
+					30 34 ];
+		};
+
+		gpio1: gpio@638 {
+			compatible = "ralink,rt3052-gpio", "ralink,rt2880-gpio";
+			reg = <0x638 0x24>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+
+			ralink,ngpio = <16>;
+			ralink,regs = [ 00 04 08 0c
+					10 14 18 1c
+					20 24 ];
+		};
+
+		gpio2: gpio@660 {
+			compatible = "ralink,rt3052-gpio", "ralink,rt2880-gpio";
+			reg = <0x660 0x24>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+
+			ralink,ngpio = <12>;
+			ralink,regs = [ 00 04 08 0c
+					10 14 18 1c
+					20 24 ];
+		};
+
+		uartlite@c00 {
+			compatible = "ralink,rt3052-uart", "ralink,rt2880-uart", "ns16550a";
+			reg = <0xc00 0x100>;
+
+			interrupt-parent = <&intc>;
+			interrupts = <12>;
+
+			reg-shift = <2>;
+		};
+	};
+};

arch/mips/ralink/dts/rt3052_eval.dts

+/dts-v1/;
+
+/include/ "rt3050.dtsi"
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "ralink,rt3052-eval-board", "ralink,rt3052-soc";
+	model = "Ralink RT3052 evaluation board";
+
+	memory@0 {
+		reg = <0x0 0x2000000>;
+	};
+
+	palmbus@10000000 {
+		sysc@0 {
+			ralink,pinmmux = "uartlite", "spi";
+			ralink,uartmux = "gpio";
+			ralink,wdtmux = <0>;
+		};
+	};
+
+	cfi@1f000000 {
+		compatible = "cfi-flash";
+		reg = <0x1f000000 0x800000>;
+
+		bank-width = <2>;
+		device-width = <2>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition@0 {
+			label = "uboot";
+			reg = <0x0 0x30000>;
+			read-only;
+		};
+		partition@30000 {
+			label = "uboot-env";
+			reg = <0x30000 0x10000>;
+			read-only;
+		};
+		partition@40000 {
+			label = "calibration";
+			reg = <0x40000 0x10000>;
+			read-only;
+		};
+		partition@50000 {
+			label = "linux";
+			reg = <0x50000 0x7b0000>;
+		};
+	};
+};